343 lines
8.7 KiB
JavaScript
343 lines
8.7 KiB
JavaScript
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/**
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* Original by Aaron Harun: http://aahacreative.com/2012/07/31/php-syntax-highlighting-prism/
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* Modified by Miles Johnson: http://milesj.me
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* Rewritten by Tom Pavelec
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*
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* Supports PHP 5.3 - 8.0
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*/
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(function (Prism) {
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var comment = /\/\*[\s\S]*?\*\/|\/\/.*|#(?!\[).*/;
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var constant = [
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{
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pattern: /\b(?:false|true)\b/i,
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alias: 'boolean'
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},
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{
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pattern: /(::\s*)\b[a-z_]\w*\b(?!\s*\()/i,
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greedy: true,
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lookbehind: true,
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},
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{
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pattern: /(\b(?:case|const)\s+)\b[a-z_]\w*(?=\s*[;=])/i,
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greedy: true,
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lookbehind: true,
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},
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/\b(?:null)\b/i,
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/\b[A-Z_][A-Z0-9_]*\b(?!\s*\()/,
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];
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var number = /\b0b[01]+(?:_[01]+)*\b|\b0o[0-7]+(?:_[0-7]+)*\b|\b0x[\da-f]+(?:_[\da-f]+)*\b|(?:\b\d+(?:_\d+)*\.?(?:\d+(?:_\d+)*)?|\B\.\d+)(?:e[+-]?\d+)?/i;
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var operator = /<?=>|\?\?=?|\.{3}|\??->|[!=]=?=?|::|\*\*=?|--|\+\+|&&|\|\||<<|>>|[?~]|[/^|%*&<>.+-]=?/;
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var punctuation = /[{}\[\](),:;]/;
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Prism.languages.php = {
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'delimiter': {
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pattern: /\?>$|^<\?(?:php(?=\s)|=)?/i,
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alias: 'important'
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},
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'comment': comment,
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'variable': /\$+(?:\w+\b|(?=\{))/,
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'package': {
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pattern: /(namespace\s+|use\s+(?:function\s+)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
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lookbehind: true,
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inside: {
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'punctuation': /\\/
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}
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},
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'class-name-definition': {
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pattern: /(\b(?:class|enum|interface|trait)\s+)\b[a-z_]\w*(?!\\)\b/i,
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lookbehind: true,
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alias: 'class-name'
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},
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'function-definition': {
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pattern: /(\bfunction\s+)[a-z_]\w*(?=\s*\()/i,
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lookbehind: true,
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alias: 'function'
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},
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'keyword': [
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{
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pattern: /(\(\s*)\b(?:array|bool|boolean|float|int|integer|object|string)\b(?=\s*\))/i,
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alias: 'type-casting',
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /([(,?]\s*)\b(?:array(?!\s*\()|bool|callable|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|object|self|static|string)\b(?=\s*\$)/i,
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alias: 'type-hint',
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /(\)\s*:\s*(?:\?\s*)?)\b(?:array(?!\s*\()|bool|callable|(?:false|null)(?=\s*\|)|float|int|iterable|mixed|never|object|self|static|string|void)\b/i,
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alias: 'return-type',
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /\b(?:array(?!\s*\()|bool|float|int|iterable|mixed|object|string|void)\b/i,
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alias: 'type-declaration',
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greedy: true
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},
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{
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pattern: /(\|\s*)(?:false|null)\b|\b(?:false|null)(?=\s*\|)/i,
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alias: 'type-declaration',
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /\b(?:parent|self|static)(?=\s*::)/i,
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alias: 'static-context',
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greedy: true
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},
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{
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// yield from
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pattern: /(\byield\s+)from\b/i,
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lookbehind: true
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},
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// `class` is always a keyword unlike other keywords
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/\bclass\b/i,
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{
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// https://www.php.net/manual/en/reserved.keywords.php
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//
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// keywords cannot be preceded by "->"
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// the complex lookbehind means `(?<!(?:->|::)\s*)`
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pattern: /((?:^|[^\s>:]|(?:^|[^-])>|(?:^|[^:]):)\s*)\b(?:abstract|and|array|as|break|callable|case|catch|clone|const|continue|declare|default|die|do|echo|else|elseif|empty|enddeclare|endfor|endforeach|endif|endswitch|endwhile|enum|eval|exit|extends|final|finally|fn|for|foreach|function|global|goto|if|implements|include|include_once|instanceof|insteadof|interface|isset|list|match|namespace|never|new|or|parent|print|private|protected|public|readonly|require|require_once|return|self|static|switch|throw|trait|try|unset|use|var|while|xor|yield|__halt_compiler)\b/i,
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lookbehind: true
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}
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],
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'argument-name': {
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pattern: /([(,]\s*)\b[a-z_]\w*(?=\s*:(?!:))/i,
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lookbehind: true
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},
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'class-name': [
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{
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pattern: /(\b(?:extends|implements|instanceof|new(?!\s+self|\s+static))\s+|\bcatch\s*\()\b[a-z_]\w*(?!\\)\b/i,
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /(\|\s*)\b[a-z_]\w*(?!\\)\b/i,
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /\b[a-z_]\w*(?!\\)\b(?=\s*\|)/i,
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greedy: true
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},
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{
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pattern: /(\|\s*)(?:\\?\b[a-z_]\w*)+\b/i,
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alias: 'class-name-fully-qualified',
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greedy: true,
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lookbehind: true,
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inside: {
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'punctuation': /\\/
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}
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},
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{
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pattern: /(?:\\?\b[a-z_]\w*)+\b(?=\s*\|)/i,
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alias: 'class-name-fully-qualified',
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greedy: true,
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inside: {
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'punctuation': /\\/
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}
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},
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{
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pattern: /(\b(?:extends|implements|instanceof|new(?!\s+self\b|\s+static\b))\s+|\bcatch\s*\()(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
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alias: 'class-name-fully-qualified',
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greedy: true,
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lookbehind: true,
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inside: {
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'punctuation': /\\/
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}
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},
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{
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pattern: /\b[a-z_]\w*(?=\s*\$)/i,
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alias: 'type-declaration',
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greedy: true
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},
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{
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pattern: /(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,
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alias: ['class-name-fully-qualified', 'type-declaration'],
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greedy: true,
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inside: {
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'punctuation': /\\/
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}
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},
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{
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pattern: /\b[a-z_]\w*(?=\s*::)/i,
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alias: 'static-context',
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greedy: true
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},
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{
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pattern: /(?:\\?\b[a-z_]\w*)+(?=\s*::)/i,
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alias: ['class-name-fully-qualified', 'static-context'],
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greedy: true,
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inside: {
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'punctuation': /\\/
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}
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},
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{
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pattern: /([(,?]\s*)[a-z_]\w*(?=\s*\$)/i,
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alias: 'type-hint',
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /([(,?]\s*)(?:\\?\b[a-z_]\w*)+(?=\s*\$)/i,
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alias: ['class-name-fully-qualified', 'type-hint'],
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greedy: true,
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lookbehind: true,
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inside: {
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'punctuation': /\\/
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}
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},
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{
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pattern: /(\)\s*:\s*(?:\?\s*)?)\b[a-z_]\w*(?!\\)\b/i,
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alias: 'return-type',
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /(\)\s*:\s*(?:\?\s*)?)(?:\\?\b[a-z_]\w*)+\b(?!\\)/i,
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alias: ['class-name-fully-qualified', 'return-type'],
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greedy: true,
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lookbehind: true,
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inside: {
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'punctuation': /\\/
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}
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}
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],
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'constant': constant,
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'function': {
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pattern: /(^|[^\\\w])\\?[a-z_](?:[\w\\]*\w)?(?=\s*\()/i,
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lookbehind: true,
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inside: {
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'punctuation': /\\/
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}
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},
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'property': {
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pattern: /(->\s*)\w+/,
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lookbehind: true
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},
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'number': number,
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'operator': operator,
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'punctuation': punctuation
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};
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var string_interpolation = {
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pattern: /\{\$(?:\{(?:\{[^{}]+\}|[^{}]+)\}|[^{}])+\}|(^|[^\\{])\$+(?:\w+(?:\[[^\r\n\[\]]+\]|->\w+)?)/,
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lookbehind: true,
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inside: Prism.languages.php
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};
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var string = [
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{
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pattern: /<<<'([^']+)'[\r\n](?:.*[\r\n])*?\1;/,
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alias: 'nowdoc-string',
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greedy: true,
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inside: {
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'delimiter': {
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pattern: /^<<<'[^']+'|[a-z_]\w*;$/i,
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alias: 'symbol',
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inside: {
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'punctuation': /^<<<'?|[';]$/
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}
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}
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}
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},
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{
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pattern: /<<<(?:"([^"]+)"[\r\n](?:.*[\r\n])*?\1;|([a-z_]\w*)[\r\n](?:.*[\r\n])*?\2;)/i,
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alias: 'heredoc-string',
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greedy: true,
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inside: {
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'delimiter': {
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pattern: /^<<<(?:"[^"]+"|[a-z_]\w*)|[a-z_]\w*;$/i,
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alias: 'symbol',
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inside: {
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'punctuation': /^<<<"?|[";]$/
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}
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},
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'interpolation': string_interpolation
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}
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},
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{
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pattern: /`(?:\\[\s\S]|[^\\`])*`/,
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alias: 'backtick-quoted-string',
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greedy: true
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},
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{
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pattern: /'(?:\\[\s\S]|[^\\'])*'/,
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alias: 'single-quoted-string',
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greedy: true
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},
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{
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pattern: /"(?:\\[\s\S]|[^\\"])*"/,
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alias: 'double-quoted-string',
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greedy: true,
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inside: {
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'interpolation': string_interpolation
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}
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}
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];
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Prism.languages.insertBefore('php', 'variable', {
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'string': string,
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'attribute': {
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pattern: /#\[(?:[^"'\/#]|\/(?![*/])|\/\/.*$|#(?!\[).*$|\/\*(?:[^*]|\*(?!\/))*\*\/|"(?:\\[\s\S]|[^\\"])*"|'(?:\\[\s\S]|[^\\'])*')+\](?=\s*[a-z$#])/im,
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greedy: true,
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inside: {
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'attribute-content': {
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pattern: /^(#\[)[\s\S]+(?=\]$)/,
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lookbehind: true,
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// inside can appear subset of php
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inside: {
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'comment': comment,
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'string': string,
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'attribute-class-name': [
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{
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pattern: /([^:]|^)\b[a-z_]\w*(?!\\)\b/i,
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alias: 'class-name',
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greedy: true,
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lookbehind: true
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},
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{
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pattern: /([^:]|^)(?:\\?\b[a-z_]\w*)+/i,
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alias: [
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'class-name',
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'class-name-fully-qualified'
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],
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greedy: true,
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lookbehind: true,
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inside: {
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'punctuation': /\\/
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}
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}
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],
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'constant': constant,
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'number': number,
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'operator': operator,
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'punctuation': punctuation
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}
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},
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'delimiter': {
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pattern: /^#\[|\]$/,
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alias: 'punctuation'
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}
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}
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},
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});
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Prism.hooks.add('before-tokenize', function (env) {
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if (!/<\?/.test(env.code)) {
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return;
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}
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var phpPattern = /<\?(?:[^"'/#]|\/(?![*/])|("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|(?:\/\/|#(?!\[))(?:[^?\n\r]|\?(?!>))*(?=$|\?>|[\r\n])|#\[|\/\*(?:[^*]|\*(?!\/))*(?:\*\/|$))*?(?:\?>|$)/g;
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Prism.languages['markup-templating'].buildPlaceholders(env, 'php', phpPattern);
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});
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Prism.hooks.add('after-tokenize', function (env) {
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Prism.languages['markup-templating'].tokenizePlaceholders(env, 'php');
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});
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}(Prism));
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